如何从字符串中获取新行"\n“也反映在段落元素上

string = "This is the first line.\nThis is the second line.\nThis is the third line."
paragraphs = string.split("\n")
print(paragraphs)

['This is the first line.', 'This is the second line.', 'This is the third line.']

var string = "This is the first line.\nThis is the second line.\nThis is the third line.";
var paragraphs = string.match(/[\r\n]+/g);
console.log(paragraphs);

[ '\n', '\n' ]

String string = "This is the first line.\nThis is the second line.\nThis is the third line.";
List<String> paragraphs = new ArrayList<>();
StringBuilder paragraph = new StringBuilder();
for (int i = 0; i < string.length(); i++) {
    char c = string.charAt(i);
    if (c == '\n') {
        paragraphs.add(paragraph.toString());
        paragraph = new StringBuilder();
    } else {
        paragraph.append(c);
    }
}
paragraphs.add(paragraph.toString());
System.out.println(paragraphs);

[This is the first line., This is the second line., This is the third line.]